/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0f172a;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --accent-light: #60a5fa;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --background-light: #f8fafc;
    --background-gray: #f1f5f9;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header and Navigation */
header {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar {
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    text-decoration: none;
    cursor: pointer;
}

.logo h1 {
    color: var(--white);
    font-size: 1.8rem;
    font-weight: 600;
    transition: var(--transition);
}

.logo a:hover h1 {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: var(--transition);
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
    background-color: var(--secondary-color);
}

/* Page Transitions */
.page {
    display: none;
    opacity: 0;
    animation: fadeOut 0.3s ease;
}

.page.active {
    display: block;
    opacity: 1;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e40af 50%, #3b82f6 100%);
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(96, 165, 250, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #3a7bc8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

/* Features Section */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    padding: 4rem 0;
}

.feature-card {
    text-align: center;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--white) 0%, var(--background-light) 100%);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-light);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.feature-card p {
    color: var(--text-light);
}

/* Page Titles */
.page-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: center;
    padding-top: 3rem;
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 3rem;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    padding-bottom: 4rem;
}

.service-item {
    padding: 2.5rem;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    background-color: var(--white);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
    transform: scaleX(0);
    transition: var(--transition);
}

.service-item:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-item:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: var(--transition);
}

.service-item:hover .service-icon {
    transform: scale(1.1);
}

.service-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.service-item p {
    color: var(--text-light);
    line-height: 1.7;
}

/* About Section */
.about-content {
    max-width: 1000px;
    margin: 0 auto;
    padding-bottom: 4rem;
}

.about-section {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2.5rem;
    margin-bottom: 4rem;
    align-items: start;
}

.about-image {
    width: 200px;
    height: 200px;
    flex-shrink: 0;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.about-section:hover .about-image img {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.about-text h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.about-text p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.05rem;
}

.benefits-list {
    list-style: none;
    margin-top: 1.5rem;
}

.benefits-list li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
    line-height: 1.7;
}

.benefits-list li:last-child {
    border-bottom: none;
}

.benefits-list strong {
    color: var(--primary-color);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    padding-bottom: 4rem;
}

.contact-form-wrapper {
    background-color: var(--background-light);
    padding: 2.5rem;
    border-radius: 8px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 4px;
    display: none;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.contact-info {
    padding-top: 1rem;
}

.info-item {
    margin-bottom: 2rem;
}

.info-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.info-item p {
    color: var(--text-light);
    line-height: 1.7;
}

.info-item a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

.info-item a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Pricing Section */
.pricing-model {
    padding: 2rem 0;
}

.pricing-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.pricing-step {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 16px;
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.pricing-step:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.step-number {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    color: var(--white);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.75rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.pricing-step h4 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.pricing-step p {
    color: var(--text-light);
    line-height: 1.7;
}

.pricing-benefits {
    background: linear-gradient(135deg, var(--background-light) 0%, var(--background-gray) 100%);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    max-width: 900px;
    margin: 0 auto;
}

.pricing-benefits h3 {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.pricing-benefits ul {
    list-style: none;
    padding: 0;
}

.pricing-benefits li {
    padding: 1rem 0;
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: flex-start;
}

.pricing-benefits li:last-child {
    border-bottom: none;
}

.pricing-benefits strong {
    color: var(--primary-color);
    font-weight: 600;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 20px;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-color);
}

.pricing-card h4 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 1.5rem 0;
}

.price-subtitle {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.pricing-features {
    list-style: none;
    padding: 0;
    text-align: left;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-dark);
    font-size: 1rem;
    line-height: 1.6;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e293b 100%);
    color: var(--white);
    text-align: center;
    padding: 3rem 0;
    margin-top: 5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }

    .nav-link {
        padding: 0.5rem;
        font-size: 0.9rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .about-section {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .about-image {
        width: 150px;
        height: 150px;
        margin: 0 auto;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .page-title {
        font-size: 2rem;
    }

    .pricing-steps {
        grid-template-columns: 1fr;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .pricing-benefits {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.3rem;
    }

    .nav-links {
        gap: 0.5rem;
    }

    .hero {
        padding: 3rem 0;
    }

    .features {
        padding: 2rem 0;
    }
}